EN ISO 6887-1-1999 食品和动物饲料的微生物学.用于微生物检验的初始悬浮和十倍制稀释的试验样品的制备.第1部分:初始悬浮和十倍制稀释液制备的一般规则 ISO 6887-1:
Microbiology of Food and Animal Feeding Stuffs - Preparation of Test Samples, Initial Suspension and Decimal Dilutions for Microbiological Examination - Part 1: General Rules for the Preparation of the Initial Suspension and Decimal Dilutions ISO 6887-1: